Home / 871,326,283.89-1,307,265,718.06-311,076,093.88

Finding the Fourth Proportional to 871,326,283.89, 1,307,265,718.06 and 311,076,093.88

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Solution

The fourth proportional to 871,326,283.89, 1,307,265,718.06 and 311,076,093.88 is: 466,712,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,326,283.89 : 1,307,265,718.06 = 311,076,093.88 : x
  2. Step 2: Convert to fraction form
    871,326,283.89/1,307,265,718.06 = 311,076,093.88/x
  3. Step 3: Cross multiply
    871,326,283.89x = 1,307,265,718.06 × 311,076,093.88
  4. Step 4: Simplify right side
    871,326,283.89x = 406,659,113,237,338,176
  5. Step 5: Solve for x
    x = 406,659,113,237,338,176/871,326,283.89
  6. Step 6: Final answer
    x = 466,712,781.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.